What are the three steps to use to research relevant information on

The answer is c.  the soft ware is unable to you because it is open for the public to use. 

I’d say platform as a service (paas) or application platform as a service (apaas) or platform base service is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app.